Chaichana Suparatphoka. 1997. Productivity, economy of scale, regulation, and technical change in Electricity Generating Authority of Thailand (EGAT). Faculty of Economics, Thammasat University;
Chaichana Suparatphoka. (1997) Productivity, economy of scale, regulation, and technical change in Electricity Generating Authority of Thailand (EGAT) . Thammasat University/Bangkok.
Chaichana Suparatphoka. Productivity, economy of scale, regulation, and technical change in Electricity Generating Authority of Thailand (EGAT). . Bangkok:Thammasat University, 1997.
Chaichana Suparatphoka. (1997) Productivity, economy of scale, regulation, and technical change in Electricity Generating Authority of Thailand (EGAT) . Thammasat University/Bangkok.